FDG-PET or PET/CT in Fever of Unknown Origin: The Diagnostic Role of Underlying Primary Disease

<table>PET-CT of a 77-year-old man with FUO. Transaxial slices of CT (a1, b1), fusion (a2, b2), and PET (a3, b3), and anterior whole body (c1), lower extremities (c2) MIP images revealed multiple foci in the walls of vessels. Nonspecific vasculitis was diagnosed by biopsy.</table>

International Journal of Molecular Imaging

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Figure 4: FDG-PET or PET/CT in Fever of Unknown Origin: The Diagnostic Role of Underlying Primary Disease 